Week 9 - Assessing Studies
Content for week of Friday, October 29, 2021–Monday, November 1, 2021
Overview
Two big picture ideas: internal validity and external validity. Specifically, we’re going to talk a little more about omitted variable bias, a lot about measurement error, and a little bit about simultaneity! ## Reading Guide
Chapter 9: Assessing Studies Based on Multiple Regression
SW 9.1 Internal and External Validity
Get those definitions, and threats to external validity
SW 9.2 Threats to Internal Validity of Multiple Regression Analysis
Five big threats. And how to handle them.
SW 9.3 Internal and External Validity When the Regression is Used for Forcasting
Optional - worth giving some thought
SW 9.4 Example: Test Score and Class Size
No new content, but this is a really good walk-through of the 9.1 and 9.2 content.
